<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <h1>差值表达式</h1>
        <h3>{{msg}}</h3>
        <h3>{{count}}</h3>
        <h1>v-text</h1>
        <div v-text="msg"></div>
        <h1>v-model</h1>
        <input type="text" v-model="msg" />
        <input type="text" v-model="count" />
        <br>
        <button v-on:click="changeMsg">changeMsg</button>
    </div>
    <script src="./js/dep.js"></script>
    <script src="./js/watcher.js"></script>
    <script src="./js/observer.js"></script>
    <script src="./js/compiler.js"></script>
    <script src="./js/vue.js"></script>
    <script>
        let vm = new Vue({
            el: '#app',
            data: {
                msg: "<h1>这是一个msg 测试</h1>",
                count: 90,
                person: {
                    name: '张三'
                }
            },
            methods: {
                changeMsg() {
                    this.msg = "XXXX"
                }
            }
        });
    </script>
</body>

</html>